The Number Resource Organization (NRO) announced that the percentage of available public IPv4 address space has dropped below 10%.
See a summary of the announcement in NetworkWorld here .
See the full announcement here .
IPv6, your time...

For DirectAccess in Windows Server 2008 R2:
· Step By Step Guide: Troubleshoot DirectAccess in a Test Lab
Describes DirectAccess troubleshooting tools, the results of the tools in a working DirectAccess test lab, and how to troubleshoot common problems...